This project allow to control small rc car, based on esp8266, using android phone with free version of roboremo app installed (see screenshot).

it contain firmware and pcb.

esp8266 board provide signal for standard servo control - steering wheel and pwm for H-bridge control - speed controller (see shematic) also board have led to indicate connection status and scheme to control battery charging

firmware provide:

  • two channels for controll steering wheel and speed controller
  • trimmer for steering wheel (saving in esp8266 eeprom)
  • exponential regulation for all channels for best precision of control - changeable in source code
  • brake button or auto brake function - changeable in source code